Problem 4: Differential Analysis Water flows in a thin layer between a wall and a vertical plate separated by a distance h = 1 mm. The wall is stationary while the plate moves upwards with a velocity Vplate = 1 m/s. Assume p=1000 kg/m³, v = 10-6 m²/s. 1. Assuming that the flow is laminar, steady, and fully developed, use differential analysis (Navier-Stokes) to calculate the velocity profile. 2. Calculate the flow rate per unit width. 3. Compute the Reynolds number in the water and air flow and determine if the conditions are laminar or turbulent. b-1 mm g-10 Pam Zoomed-in fully-developed region V-1 m/s Figure 4: Flow between stationary wall and moving plate.

Elements Of Electromagnetics
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Problem 4: Differential Analysis
Water flows in a thin layer between a wall and a vertical plate separated by a distance h = 1 mm.
The wall is stationary while the plate moves upwards with a velocity Vplate = 1 m/s. Assume
p=1000 kg/m³, v = 10-6 m²/s.
1. Assuming that the flow is laminar, steady, and fully developed, use differential analysis
(Navier-Stokes) to calculate the velocity profile.
2. Calculate the flow rate per unit width.
3. Compute the Reynolds number in the water and air flow and determine if the conditions are
laminar or turbulent.
b-1 mm
g-10
Pam
Zoomed-in fully-developed region
V-1 m/s
Figure 4: Flow between stationary wall and moving plate.
Transcribed Image Text:Problem 4: Differential Analysis Water flows in a thin layer between a wall and a vertical plate separated by a distance h = 1 mm. The wall is stationary while the plate moves upwards with a velocity Vplate = 1 m/s. Assume p=1000 kg/m³, v = 10-6 m²/s. 1. Assuming that the flow is laminar, steady, and fully developed, use differential analysis (Navier-Stokes) to calculate the velocity profile. 2. Calculate the flow rate per unit width. 3. Compute the Reynolds number in the water and air flow and determine if the conditions are laminar or turbulent. b-1 mm g-10 Pam Zoomed-in fully-developed region V-1 m/s Figure 4: Flow between stationary wall and moving plate.
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